CN210645891U - Flue gas denitration device for strengthening diversion and diversion - Google Patents
Flue gas denitration device for strengthening diversion and diversion Download PDFInfo
- Publication number
- CN210645891U CN210645891U CN201921168569.3U CN201921168569U CN210645891U CN 210645891 U CN210645891 U CN 210645891U CN 201921168569 U CN201921168569 U CN 201921168569U CN 210645891 U CN210645891 U CN 210645891U
- Authority
- CN
- China
- Prior art keywords
- flue
- arc
- guide plate
- diversion
- straight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- 238000005728 strengthening Methods 0.000 title claims abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 59
- 230000007704 transition Effects 0.000 claims abstract description 49
- 230000000630 rising effect Effects 0.000 claims abstract description 10
- 230000001174 ascending effect Effects 0.000 claims description 42
- 239000003054 catalyst Substances 0.000 claims description 20
- 230000002708 enhancing effect Effects 0.000 claims 2
- 238000005299 abrasion Methods 0.000 abstract 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 235000019504 cigarettes Nutrition 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 206010022000 influenza Diseases 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model relates to a flue gas denitration device for strengthening diversion and diversion, which comprises a reactor shell, a vertical flue, a rising transition flue, a connecting section flue, an arc flue, a smoke outlet flue and a smoke inlet flue, wherein the upper end surface of the smoke inlet flue is communicated with the lower end of the vertical flue, the upper end of the vertical flue is communicated with the front and the back of the rising transition flue in a staggered way, the upper end of the rising transition flue is communicated with a rectifying grid at the upper end of the reactor shell through the connecting section flue, the back end surface of the smoke outlet flue is connected with one end of the arc flue, the flue gas denitration device also comprises a rising section top flow guide plate group, a top inclined flow guide plate group and a top section arc flow guide plate group, and through the technical proposal, diversion working plates with different shapes and different purposes are respectively arranged at different parts of the flue, thereby leading the flow velocity distribution in the vertical flue to tend to be, the abrasion condition of the equipment is effectively controlled, and the abrasion condition is greatly improved compared with that before the guide plate is not arranged.
Description
Technical Field
The utility model relates to a denitrification facility especially relates to a reinforce flue gas denitrification facility of water conservancy diversion reposition of redundant personnel.
Background
In the prior art, nitrogen oxide is generated after fuel is combusted, and the fuel is directly discharged into the atmosphere to cause pollution of the surrounding environment, so that the pollution harms the health of people, the treatment is needed, the generated nitrogen oxide is subjected to subsequent treatment, and the selective catalytic reduction technology, namely SCR technology, is one of the most mature technologies at present and is widely applied to the process flow for removing the nitrogen oxide.
In the prior art, an SCR denitration reactor comprises a flue gas flue, a transition flue, a catalyst bed layer and the like, when high-temperature flue gas comes out of a high-temperature-section coal economizer, the high-temperature flue gas enters from two sides of the denitration flue, turns 90 degrees and enters an ascending flue to reach an ammonia spraying area, is mixed with ammonia gas, then passes through a certain distance of flue and two 90 degrees of turns and then enters the catalyst layer through a rectification grating plate, the flue gas generates a phenomenon of uneven flow field distribution in the turning process of an inlet flue, mainly, when the flue gas passes through a bend, the streamline of the flue gas is bent, and the flow rate shows that the left side is a low-speed area, so that a vortex; and the right airflow adheres to the wall, and a high-speed area appears to scour the rear wall of the denitration reactor.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the utility model is to provide a flue gas denitration device of flow guide reposition of redundant personnel is reinforceed, through this technical scheme, set up the water conservancy diversion working plate of different shapes and different usage respectively at the different positions of flue to make the velocity of flow distribution in the perpendicular flue tend to evenly, reduced the speed deviation greatly, reduced because the flow resistance loss that the eddy current loss arouses, the wearing and tearing condition of equipment obtains effective control, has had great improvement before not installing the guide plate.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows: the utility model provides a flue gas denitrification facility of diversion reposition of redundant personnel is reinforceed, includes reactor shell, vertical lift flue, rising transition flue, linkage segment flue, arc flue, goes out the cigarette flue and advances the cigarette flue, advance the cigarette flue and go out the cigarette flue and be the rectangle respectively, be provided with corresponding left side respectively in the preceding terminal surface both sides of advancing the cigarette flue and going out the cigarette flue and advance the cigarette flue import and the right side advances the cigarette flue import, left side goes out cigarette flue export and right side and goes out the cigarette flue export, it is linked together with the vertical lift flue lower extreme to advance the cigarette flue upper end, and the dislocation is linked together around vertical lift flue upper end and the rising transition flue, and rising transition flue upper end is linked together through linkage segment flue and rectifier grid on the reactor shell, it links to each other with arc flue one end to go out cigarette flue rear end face, and arc flue other end and reactor shell lower extreme are linked together, the top oblique guide plate group and the top section arc guide plate group are respectively arranged in the connecting section flue.
As a further technical scheme, the flow guide plate group at the top of the ascending section is composed of a plurality of circular arc-shaped flow guide plates, each circular arc-shaped flow guide plate is transversely arranged in the ascending transition flue along the width direction of the ascending transition flue, and the plurality of circular arc-shaped flow guide plates are uniformly arranged in the height direction of the ascending transition flue, so that the spacing distances between the circular arc-shaped flow guide plates and between the circular arc-shaped flow guide plates and the inner wall of.
As a further technical scheme, the top oblique guide plate group is composed of a plurality of oblique guide plates, each oblique guide plate is transversely arranged in the connecting section flue along the width direction of the connecting section flue, the oblique guide plates are uniformly arranged according to the height direction of the connecting section flue, the inclination angle is clockwise rotation of 15 degrees along the horizontal direction, and meanwhile, the interval distance between each oblique guide plate and the corresponding oblique guide plate is the same as that between each oblique guide plate and the corresponding connecting section flue inner wall, so that the uniform flow velocity of flue gas is facilitated, the eddy loss is reduced, and the uniformity of the catalyst inlet speed is improved.
As a further technical scheme, the top section arc guide plate group is composed of a plurality of arc guide plates, each arc guide plate is transversely arranged in the connecting section flue along the width direction of the section of the connecting section flue, the plurality of arc guide plates are uniformly arranged along the inclined plane of the connecting section flue, and the arc radius of each arc guide plate is 5% of the height of the connecting section flue.
As a further technical scheme, the reactor further comprises a top straight guide plate group, wherein the top straight guide plate group is arranged at the inlet connecting section at the top of the reactor shell and consists of a plurality of straight guide plates, each straight guide plate is transversely arranged in the inlet connecting section at the top of the reactor shell along the width direction of a connecting section flue, the spacing distance between each straight guide plate and the corresponding straight guide plate is 25% of the height of the corresponding reactor shell top inlet connecting section flue, the length of each straight guide plate is 24% of the height of the corresponding reactor shell top inlet connecting section flue, and the spacing distances between each straight guide plate and the corresponding straight guide plate are the same.
As a further technical scheme, the device also comprises an inlet guide plate group and an outlet guide plate group, wherein the two inlet guide plate groups and the two outlet guide plate groups are respectively arranged at the corresponding airflow steering positions of the inlet of the left smoke inlet flue, the inlet of the right smoke inlet flue, the outlet of the left smoke outlet flue and the outlet of the right smoke outlet flue of the smoke inlet flue and the smoke outlet flue, the inlet guide plate group and the outlet guide plate group are respectively composed of a plurality of arc straight edge guide plates, each arc straight edge guide plate is vertically arranged along the height direction, the guide direction of each arc straight edge guide plate is 90 degrees, and the plurality of arc straight edge guide plates are uniformly arranged according to the widths of the left smoke inlet flue inlet, the right smoke inlet flue inlet, the left smoke outlet flue outlet and the right smoke outlet flue outlet, so that the spacing distances between the arc straight edge guide plates at corresponding positions and the arc straight edge guide plates as well as between the inner walls of the smoke inlet flues and the smoke outlet flues and the adjacent arc straight edge guide plates are the same.
The technical scheme includes that the improved vertical lift flue gas-liquid separation device further comprises an ascending section guide plate group, the ascending section guide plate group is arranged at a turning position at the bottom of the vertical lift flue and is composed of a plurality of arc straight-edge guide plates and a straight guide plate, the arc radius of each arc straight-edge guide plate is 30% of the height of the vertical lift flue, the spacing distances between the arc straight-edge guide plates and the arc straight-edge guide plates are the same, the distance between each arc straight-edge guide plate and the corresponding straight guide plate is twice of the spacing distance between the arc guide plates, the length of each straight-edge section is 15% of the height of the vertical lift flue, the straight guide plates are in a trapezoidal design, the height of each straight guide plate is 1.
As a further technical scheme, the flue gas purification device also comprises a turning section flow guide plate group, wherein the turning section flow guide plate group is arranged at the middle turning part of the ascending transition flue and consists of an arc-shaped flow guide plate and arc-shaped straight edge flow guide plates, two arc-shaped straight edge flow guide plates are arranged on the upper side of the middle turning part of the ascending transition flue, two arc-shaped flow guide plates are arranged on the lower side of the middle turning part of the ascending transition flue, the arc radius of each arc-shaped straight edge flow guide plate is 25% of the height of the transition flue, and the straight edge section is 12.5% of the height of the transition flue; the arc radius of the arc-shaped guide plate is 25% of the height of the transition flue, the spacing distances between the arc-shaped guide plate and the inner wall of the transition flue are the same, and the spacing distances between the arc-shaped straight-edge guide plate and the inner wall of the transition flue are the same.
As a further technical scheme, the device also comprises an arc-shaped flue steering guide plate group, wherein the arc-shaped flue steering guide plate group is arranged at the position of the last catalyst outlet arc-shaped flue of the reactor shell and consists of three arc-shaped straight guide plates, the arc radius of each arc-shaped straight guide plate is 35% of the height of the last catalyst outlet arc-shaped flue of the reactor shell, the length of each straight section is 30% of the height of the last catalyst outlet arc-shaped flue of the reactor shell, and the spacing distances between each arc-shaped straight guide plate and the inner wall of the last catalyst outlet arc-shaped flue of the reactor shell are the same.
As a further technical scheme, the reactor also comprises a tail steering guide plate group, the tail steering guide plate group is arranged at the arc flue position at the bottom of the reactor shell and consists of four arc straight guide plates and one straight guide plate, the straight guide plate is positioned at the center of the arc flue at the bottom of the reactor shell, the four arc straight guide plates are symmetrically arranged by taking the straight guide plate as the center, the spacing distance between two adjacent arc straight guide plates is the same, the arc radius of the arc straight guide plate is 24 percent of the height of the arc flue at the bottom of the reactor shell, the straight edge distance between two adjacent arc straight guide plates is 69 percent of the height of the arc flue at the bottom of the reactor shell, the straight edge distance between the other two adjacent arc straight guide plates is 16 percent of the height of the arc flue at the bottom of the reactor shell, and the positions between the arc straight guide plates, The spacing distance between the arc straight guide plate and the inner wall of the arc flue at the bottom of the reactor shell is the same.
The beneficial effect after adopting above-mentioned technical scheme is: the utility model provides a flue gas denitration device of intensive water conservancy diversion reposition of redundant personnel, through this technical scheme, has set up the water conservancy diversion working plate of different shapes and different usage respectively in the different positions of flue to make the velocity of flow distribution in the perpendicular flue tend to evenly, reduced the speed deviation greatly, reduced because the flow resistance loss that the eddy current loss arouses, the wearing and tearing condition of equipment is effectively controlled, has had great improvement before not adorning the guide plate.
Drawings
Fig. 1 is a schematic view of the overall perspective structure of the present invention.
Fig. 2 is the structural schematic diagram of the side view structure of the present invention.
Fig. 3 is a schematic view of the top cross-sectional structure of the middle smoke outlet flue of the present invention.
Fig. 4 is a schematic view of the top cross-sectional structure of the middle smoke inlet flue of the present invention.
In the figure, 1 a reactor shell, 2 vertical flues, 3 ascending transition flues, 4 connecting section flues, 5 arc flues, 6 smoke outlet flues, 7 smoke inlet flues, 8 left smoke inlet flue inlets, 9 right smoke inlet flue inlets, 10 left smoke outlet flue outlets, 11 right smoke outlet flue outlets, 12 ascending section top guide plate groups, 13 top inclined guide plate groups, 14 top section arc guide plate groups, 15 top straight guide plate groups, 16 inlet guide plate groups, 17 outlet guide plate groups, 18 ascending section guide plate groups, 19 turning section guide plate groups, 20 arc flue turning guide plate groups, 21 tail turning guide plate groups, 22 rectifying grids and 23 ammonia spraying grids.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, the flue gas denitration device for strengthening diversion and diversion of the present invention comprises a reactor shell 1, a vertical lift flue 2, a transition flue 3, a connecting section flue 4, an arc flue 5, a flue outlet 6 and a flue inlet 7, wherein the flue inlet 7 and the flue outlet 6 are rectangular, a left flue inlet 8 and a right flue inlet 9, a left flue outlet 10 and a right flue outlet 11 are respectively arranged on two sides of the front end surfaces of the flue inlet 7 and the flue outlet 6, the upper end surface of the flue inlet 7 is communicated with the lower end of the vertical lift flue 2, the upper end of the vertical lift flue 2 is communicated with the vertical lift transition flue 3 in a staggered manner, the upper end of the transition flue 3 is communicated with a rectifying grid 22 on the upper end of the reactor shell 1 through the connecting section flue 4, the rear end surface of the flue outlet 6 is connected with one end of the arc flue 5, the other end of the arc-shaped flue 5 is communicated with the lower end of the reactor shell 1, and the reactor shell further comprises an ascending section top guide plate group 12, a top inclined guide plate group 13 and a top section arc-shaped guide plate group 14, wherein the ascending section top guide plate group 12 is arranged at the inner top of the ascending transition flue 3, and the top inclined guide plate group 13 and the top section arc-shaped guide plate group 14 are respectively arranged in the connecting section flue 4.
As a further embodiment, the ascending section top guide plate group 12 is composed of a plurality of circular arc-shaped guide plates, each circular arc-shaped guide plate is transversely arranged in the ascending transition flue 3 along the width direction of the ascending transition flue 3, and the plurality of circular arc-shaped guide plates are uniformly arranged in the height direction of the ascending transition flue 3, so that the spacing distances between the circular arc-shaped guide plates and between the circular arc-shaped guide plates and the inner wall of the ascending transition flue 3 are the same.
As a further embodiment, the top inclined guide plate group 13 is composed of a plurality of inclined guide plates, each inclined guide plate is transversely arranged in the connecting section flue 4 along the width direction of the connecting section flue 4, the plurality of inclined guide plates are uniformly arranged along the height direction of the connecting section flue 4, the inclination angle is 15 degrees clockwise rotated along the horizontal direction, and the spacing distances between the inclined guide plates and the inner walls of the connecting section flue 4 are the same, so that the flue gas flow velocity is uniform, the eddy current loss is reduced, and the uniformity of the catalyst inlet velocity is improved.
As a further embodiment, the top section arc guide plate group 14 is composed of a plurality of arc guide plates, each arc guide plate is transversely arranged in the connecting section flue 4 along the width direction of the section of the connecting section flue 4, the plurality of arc guide plates are uniformly arranged along the inclined plane of the connecting section flue 4, and the arc radius of each arc guide plate is 5% of the height of the connecting section flue 4.
As a further embodiment, the reactor also comprises a top straight guide plate group 15, the top straight guide plate group 15 is arranged at the top inlet connecting section of the reactor shell 1, the top straight guide plate group 15 is composed of a plurality of straight guide plates, each straight guide plate is transversely arranged in the top inlet connecting section of the reactor shell 1 along the width direction of the connecting section flue 4, the spacing distance between the straight guide plates is 25% of the height of the top inlet connecting section flue 4 of the reactor shell 1, the length of the straight guide plate is 24% of the height of the top inlet connecting section flue 4 of the reactor shell 1, and the spacing distances between the straight guide plates and the inner wall of the top inlet connecting section of the reactor shell 1 are the same.
As a further embodiment, the device further comprises an inlet guide plate group 16 and an outlet guide plate group 17, wherein the two inlet guide plate groups 16 and the two outlet guide plate groups 17 are respectively arranged at the air flow turning positions corresponding to the left smoke inlet flue inlet 8, the right smoke inlet flue inlet 9, the left smoke outlet flue outlet 10 and the right smoke outlet flue outlet 11 of the smoke inlet flue 7 and the smoke outlet flue 6, the inlet guide plate group 16 and the outlet guide plate group 17 are respectively composed of a plurality of arc straight-edge guide plates, each arc straight-edge guide plate is vertically arranged along the height direction, the guide direction of each arc straight-edge guide plate is 90 degrees, the plurality of arc straight-edge guide plates are respectively and uniformly arranged according to the widths of the left smoke inlet flue inlet 8, the right smoke inlet flue inlet 9, the left smoke outlet flue outlet 10 and the right smoke outlet flue outlet 11, so that the arc straight-edge guide plates at corresponding positions and the widths of the arc straight-edge guide plates as well as the inner walls of the smoke The spacing distance therebetween is the same.
As a further embodiment, the flue gas purification device further comprises an ascending section guide plate group 18, the ascending section guide plate group 18 is arranged at a turning position at the bottom of the vertical flue 2, the ascending section guide plate group 18 is composed of a plurality of arc straight-edge guide plates and a straight guide plate, the arc radius of each arc straight-edge guide plate is 30% of the height of the vertical flue 2, the spacing distance between each arc straight-edge guide plate and each arc straight-edge guide plate is the same, the distance between each arc straight-edge guide plate and each straight guide plate is twice of the spacing distance between the arc guide plates, the length of each straight-edge section is 15% of the height of the vertical flue 2, each straight guide plate is in a trapezoidal design, the height of each straight guide plate is 1.3 times of the.
As a further embodiment, the flue gas purification device further comprises a turning section flow guide plate group 19, wherein the turning section flow guide plate group 19 is arranged at the middle turning part of the ascending transition flue 3, the turning section flow guide plate group 19 is composed of a circular arc flow guide plate and a circular arc straight edge flow guide plate, two circular arc straight edge flow guide plates are arranged on the upper side of the middle turning part of the ascending transition flue 3, two circular arc flow guide plates are arranged on the lower side of the middle turning part of the ascending transition flue 3, the circular arc radius of the circular arc straight edge flow guide plate is 25% of the height of the ascending transition flue 3, and the straight edge section is 12.5% of the height of the; the arc radius of the arc-shaped guide plate is 25% of the height of the ascending transition flue 3, the spacing distances between the arc-shaped guide plate and between the arc-shaped guide plate and the inner wall of the transition flue 3 are the same, and the spacing distances between the arc-shaped straight-edge guide plate and between the arc-shaped straight-edge guide plate and the inner wall of the transition flue 3 are the same.
As a further embodiment, the reactor also comprises an arc flue diversion guide plate group 20, the arc flue diversion guide plate group 20 is arranged at the position of the last catalyst outlet arc flue 5 of the reactor shell 1, the arc flue diversion guide plate group 20 is composed of three arc straight guide plates, the arc radius of each arc straight guide plate is 35% of the height of the last catalyst outlet arc flue 5 of the reactor shell 1, the length of each straight section is 30% of the height of the last catalyst outlet arc flue 5 of the reactor shell 1, the arc straight guide plates are arranged between the arc straight guide plates, and the distance between each arc straight guide plate and the inner wall of the last catalyst outlet arc flue 5 of the reactor shell 1 is the same.
As a further embodiment, the reactor also comprises a tail steering guide plate group 21, the tail steering guide plate group 21 is arranged at the arc flue part at the bottom of the reactor shell 1, the tail steering guide plate group 21 is composed of four arc straight guide plates and a straight guide plate, the straight guide plate is positioned at the center of the arc flue 5 at the bottom of the reactor shell 1, the four arc straight guide plates are symmetrically arranged by taking the straight guide plate as the center, the spacing distance between two adjacent arc straight guide plates is the same, the arc radius of the arc straight guide plate is 24% of the height of the arc flue 5 at the bottom of the reactor shell 1, wherein the straight edge distance between two adjacent arc straight guide plates is 69% of the height of the arc flue 5 at the bottom of the reactor shell 1, the straight edge distance between the two adjacent arc straight guide plates is 16% of the height of the arc flue 5 at the bottom of the reactor shell 1, and the distance, The spacing distance between the arc straight guide plate and the inner wall of the arc flue 5 at the bottom of the reactor shell 1 is the same.
The utility model discloses at the during operation, the flue gas is advanced flue import 8 and is advanced flue import 9 entering denitrification facility on the right side through the left side, 16 and ascending section guide plate group's 18 switching-over of guide plate group are imported, get into the vertical lift flue 2, the ammonia mixes the back through ammonia injection grid 23 and the flue gas of reactor, enter into linkage segment flue 4, at linkage segment flue 4, switching-over and the straight flow equalizing of guide plate group 15 in top through ascending section top guide plate group 12, the switching-over of the oblique guide plate group 13 in back process top, through the abundant disturbance of top cross-section arc guide plate group 14 to the flue gas, the flue gas passes through rectification grid 22 and gets into the denitration catalyst layer, the catalytic reaction through the catalyst, the nitrogen oxide volume in the flue gas obviously reduces. The flue gas enters the arc-shaped flue 5 after passing through the three layers of catalysts, the arc-shaped flue 5 is provided with the arc-shaped flue steering guide plate group 20, the flue gas enters the flue gas outlet 6 under the steering action of the flue gas, the tail steering guide plate group 21 is arranged on the flue gas outlet 6, the flue gas is divided into the left side and the right side, and the flue gas passes through the outlet guide plate group 17 and flows to other devices.
The above description is only a preferred and practical embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A flue gas denitration device for strengthening diversion and diversion comprises a reactor shell, a vertical lift flue, a rising transition flue, a connecting section flue, an arc-shaped flue, a smoke outlet flue and a smoke inlet flue, wherein the smoke inlet flue and the smoke outlet flue are respectively rectangular, a left smoke inlet flue inlet and a right smoke inlet flue inlet, a left smoke outlet flue outlet and a right smoke outlet flue outlet which correspond to each other are respectively arranged on two sides of the front end surface of the smoke inlet flue and the smoke outlet flue, the upper end surface of the smoke inlet flue is communicated with the lower end of the vertical lift flue, the upper end of the vertical lift flue is communicated with the rising transition flue in a staggered mode, the upper end of the rising transition flue is communicated with a rectifying grid on the upper end of the reactor shell through the connecting section flue, the rear end surface of the smoke outlet flue is connected with one end of the arc-shaped flue, the other end of the arc-shaped flue is communicated with the lower end of, The top oblique guide plate group and the top section arc guide plate group are respectively arranged in the connecting section flue.
2. The flue gas denitration device for enhancing diversion and flow distribution of claim 1, wherein the set of the diversion plates at the top of the ascending section is composed of a plurality of circular diversion plates, each circular diversion plate is transversely arranged in the ascending transition flue along the width direction of the ascending transition flue, and the plurality of circular diversion plates are uniformly arranged according to the height direction of the ascending transition flue, so that the spacing distances between the circular diversion plates and between the circular diversion plates and the inner wall of the ascending transition flue are the same.
3. The flue gas denitration device for strengthening diversion and flow distribution of claim 1, wherein the top inclined guide plate group is composed of a plurality of inclined guide plates, each inclined guide plate is transversely arranged in the connecting section flue along the width direction of the connecting section flue, the inclined guide plates are uniformly arranged according to the height direction of the connecting section flue, the inclination angle is 15 degrees clockwise rotation along the horizontal direction, and the spacing distance between each inclined guide plate and the corresponding inclined guide plate is the same with that between the inner walls of the connecting section flue, so that the flue gas flow velocity is uniform, the eddy loss is reduced, and the uniformity of the catalyst inlet velocity is improved.
4. The flue gas denitration device for strengthening diversion and flow distribution of claim 1, wherein the top section arc guide plate group is composed of a plurality of arc guide plates, each arc guide plate is transversely arranged in the connecting section flue along the width direction of the connecting section flue section, the plurality of arc guide plates are uniformly arranged along the inclined plane of the connecting section flue, and the arc radius of each arc guide plate is 5% of the height of the connecting section flue.
5. The flue gas denitration device for strengthening diversion and flow distribution of claim 1, further comprising a top straight guide plate group, wherein the top straight guide plate group is arranged at the inlet connecting section at the top of the reactor shell, the top straight guide plate group is composed of a plurality of straight guide plates, each straight guide plate is transversely arranged in the inlet connecting section at the top of the reactor shell along the width direction of the flue of the connecting section, the spacing distance between the straight guide plates is 25% of the height of the flue at the inlet connecting section at the top of the reactor shell, the length of each straight guide plate is 24% of the height of the flue at the inlet connecting section at the top of the reactor shell, and the spacing distances between the straight guide plates and the inner wall of the inlet connecting section at the top of the reactor shell are the same.
6. The flue gas denitration device for enhancing diversion and flow distribution of claim 1, further comprising an inlet diversion plate set and an outlet diversion plate set, wherein the two inlet diversion plate sets and the two outlet diversion plate sets are respectively arranged at the corresponding air flow diversion positions of the left smoke inlet flue inlet, the right smoke inlet flue inlet, the left smoke outlet flue outlet and the right smoke outlet flue outlet of the smoke inlet flue and the smoke outlet flue, the inlet diversion plate set and the outlet diversion plate sets are respectively composed of a plurality of arc straight-edge diversion plates, each arc straight-edge diversion plate is vertically arranged along the height direction, the diversion direction of each arc straight-edge diversion plate is 90 degrees, the plurality of arc straight-edge diversion plates are respectively and uniformly arranged according to the width of the left smoke inlet flue inlet, the right smoke inlet flue inlet, the left smoke outlet flue outlet and the right smoke outlet flue outlet, and the inner walls of the smoke inlet flue and the smoke outlet flue and the adjacent arc straight-edge diversion plates at corresponding positions are enabled to be uniformly arranged The spacing distances between the side guide plates are the same.
7. The flue gas denitration device for strengthening diversion according to claim 1, further comprising an ascending section guide plate group, wherein the ascending section guide plate group is arranged at a turning position at the bottom of the vertical flue, the ascending section guide plate group is composed of a plurality of arc straight-edge guide plates and a straight guide plate, the arc radius of each arc straight-edge guide plate is 30% of the height of the vertical flue, the distance between each arc straight-edge guide plate and each arc straight-edge guide plate is the same, the distance between each arc straight-edge guide plate and each straight guide plate is twice of the distance between each arc guide plate, the length of each straight-edge section is 15% of the height of the vertical flue, each straight guide plate is in a trapezoidal design, the height of each straight guide plate is 1.3 times of the height of the vertical flue, and.
8. The flue gas denitration device for strengthening diversion and flow distribution of claim 1, further comprising a turning section guide plate group, wherein the turning section guide plate group is arranged at the middle turning part of the ascending transition flue, the turning section guide plate group is composed of a circular guide plate and a circular straight guide plate, two circular straight guide plates are arranged on the upper side of the middle turning part of the ascending transition flue, two circular guide plates are arranged on the lower side of the middle turning part of the ascending transition flue, the circular radius of the circular straight guide plate is 25% of the height of the transition flue, and the straight section is 12.5% of the height of the transition flue; the arc radius of the arc-shaped guide plate is 25% of the height of the transition flue, the spacing distances between the arc-shaped guide plate and the inner wall of the transition flue are the same, and the spacing distances between the arc-shaped straight-edge guide plate and the inner wall of the transition flue are the same.
9. The flue gas denitration device for strengthening diversion and flow distribution of claim 1, further comprising an arc flue diversion guide plate set, wherein the arc flue diversion guide plate set is arranged at the position of the arc flue of the last catalyst outlet of the reactor shell, the arc flue diversion guide plate set is composed of three arc straight guide plates, the arc radius of each arc straight guide plate is 35% of the height of the arc flue of the last catalyst outlet of the reactor shell, the length of each straight section is 30% of the height of the arc flue of the last catalyst outlet of the reactor shell, the arc straight guide plates and the arc straight guide plates are arranged, and the spacing distances between the arc straight guide plates and the inner wall of the arc flue of the last catalyst outlet of the reactor shell are the same.
10. The flue gas denitration device for strengthening diversion and flow distribution of claim 1, further comprising a tail diversion guide plate group, wherein the tail diversion guide plate group is arranged at the arc flue part at the bottom of the reactor shell, the tail diversion guide plate group is composed of four arc straight guide plates and one straight guide plate, the straight guide plate is positioned at the center of the arc flue at the bottom of the reactor shell, the four arc straight guide plates are symmetrically arranged by taking the straight guide plate as the center, the interval distance between two adjacent arc straight guide plates is the same, the arc radius of the arc straight guide plate is 24% of the height of the arc flue at the bottom of the reactor shell, wherein the straight edge distance between two adjacent arc straight guide plates is 69% of the height of the arc flue at the bottom of the reactor shell, the straight edge distance between the other two adjacent arc straight guide plates is 16% of the height of the arc flue, the spacing distances between the arc straight guide plate and between the arc straight guide plate and the inner wall of the arc flue at the bottom of the reactor shell are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168569.3U CN210645891U (en) | 2019-07-24 | 2019-07-24 | Flue gas denitration device for strengthening diversion and diversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168569.3U CN210645891U (en) | 2019-07-24 | 2019-07-24 | Flue gas denitration device for strengthening diversion and diversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210645891U true CN210645891U (en) | 2020-06-02 |
Family
ID=70834356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921168569.3U Active CN210645891U (en) | 2019-07-24 | 2019-07-24 | Flue gas denitration device for strengthening diversion and diversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210645891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113253A (en) * | 2020-10-13 | 2020-12-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Smoke guide pipe of combined stove and combined stove with smoke guide pipe |
| CN114352789A (en) * | 2022-02-11 | 2022-04-15 | 杭州老板电器股份有限公司 | Check valve, low resistance exhaust device and lampblack absorber |
-
2019
- 2019-07-24 CN CN201921168569.3U patent/CN210645891U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113253A (en) * | 2020-10-13 | 2020-12-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Smoke guide pipe of combined stove and combined stove with smoke guide pipe |
| CN114352789A (en) * | 2022-02-11 | 2022-04-15 | 杭州老板电器股份有限公司 | Check valve, low resistance exhaust device and lampblack absorber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201949798U (en) | Flue gas mixing device in front of selective catalytic reduction (SCR) inlet in selective non-catalytic reduction/selective catalytic reduction (SNCR/SCR) combined denitration system | |
| CN202146712U (en) | Smoke catalytic reduction denitration device capable of mixing uniformly, equalizing and guiding flow | |
| CN201454414U (en) | Ammonia injection grille device for flue gas denitration adopting SCR method | |
| CN101342462B (en) | Device and method for even distribution of pneumatic flow field | |
| CN206082179U (en) | Streamlined guiding device of SCR denitration reactor entry array | |
| CN102626585A (en) | V-type ammonia spraying and mixing system for SCR (Selective Catalytic Reduction) smoke denitrification device | |
| CN202860405U (en) | Flue gas denitration device capable of uniformly mixing guiding flow | |
| CN101601965A (en) | The ammonia-spraying grid device of SCR method denitrating flue gas, and SCR method flue-gas denitration process | |
| CN202844884U (en) | Ammonia spraying and eddy-mixing device of flue gas denitrification system | |
| CN102698579B (en) | Ammonia injection and eddy current mixing device and method of flue gas denitrification system | |
| CN210645891U (en) | Flue gas denitration device for strengthening diversion and diversion | |
| CN214345609U (en) | A high and low temperature flue gas mixed flow device at the exit of an economizer bypass flue | |
| CN110732243B (en) | A flue gas compartment flow equalization device for multi-compartment SCR reactor | |
| CN202909629U (en) | Reversed-injection ammonia injection element | |
| CN112569784A (en) | High-low temperature flue gas flow mixing device at outlet of bypass flue of economizer | |
| CN204710082U (en) | A kind of low-temperature denitration of flue gas system | |
| CN201244443Y (en) | Device for even distribution of pneumatic flow field | |
| CN112295402B (en) | SCR denitration reaction tower equipartition water conservancy diversion system | |
| CN101342463B (en) | Flue gas denitrating method and flue gas denitrating apparatus with special rectifier cell | |
| CN106984192A (en) | One kind coupling SCR denitration guiding device and structure | |
| CN107596916A (en) | Flue gas rotation remittance coupling even distribution device and the equipment and method of work for installing the device | |
| CN107126835A (en) | A kind of SCR denitration ammonification and even flow field structure and its operation method | |
| CN108554147A (en) | A kind of integrated ozone Benitration reactor | |
| CN201244444Y (en) | Flue gas denitrating apparatus with special rectifier cell | |
| CN209735350U (en) | Flue gas mixing and turbulence device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |